<!DOCTYPE html>
<html lang="en" xmlns:th="http://www.w3.org/1999/xhtml">
<head>
    <meta charset="UTF-8">
    <title>首页</title>
</head>
<body>
<div>
    <h4>欢迎您<span th:text="${username}">guoqiuj</span></h4>
    <form method="post" action="/logout">
        <a href="javascript:void(0)" onclick="this.parentNode.submit()">退出</a>
    </form>
</div>
</body>
</html>